Convert CXFA_WidgetData methods to Optional

This CL converts the CXFA_WidgetData size methods to return Optionals
instead of boolean with an out parameter.

Change-Id: Ibf2fef5a58896abfea9865e086029377c051bdb6
Reviewed-on: https://pdfium-review.googlesource.com/18892
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/xfa/fxfa/parser/cxfa_widgetdata.h b/xfa/fxfa/parser/cxfa_widgetdata.h
index 9d955a3d99..309f00fe12 100644
--- a/xfa/fxfa/parser/cxfa_widgetdata.h
+++ b/xfa/fxfa/parser/cxfa_widgetdata.h
@@ -61,12 +61,12 @@ class CXFA_WidgetData : public CXFA_DataData {
   CXFA_CalculateData GetCalculateData();
   CXFA_ValidateData GetValidateData(bool bModified);
 
-  bool TryWidth(float& fWidth);
-  bool TryHeight(float& fHeight);
-  bool TryMinWidth(float& fMinWidth);
-  bool TryMinHeight(float& fMinHeight);
-  bool TryMaxWidth(float& fMaxWidth);
-  bool TryMaxHeight(float& fMaxHeight);
+  pdfium::Optional<float> TryWidth();
+  pdfium::Optional<float> TryHeight();
+  pdfium::Optional<float> TryMinWidth();
+  pdfium::Optional<float> TryMinHeight();
+  pdfium::Optional<float> TryMaxWidth();
+  pdfium::Optional<float> TryMaxHeight();
 
   CXFA_BorderData GetUIBorderData();
   CFX_RectF GetUIMargin();